X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng%2Fcommands%2Fenable_events.c;h=0d47b6291cec082cd469011157294dcda8ab107d;hp=f6bca6e94823fd28e997614ba55bf67b499b7ba7;hb=0133c1990185d0374ec06a751da23b7a84c54d78;hpb=775182faeba273d9c28db45f7d17cbe238aadaab

diff --git a/lttng/commands/enable_events.c b/lttng/commands/enable_events.c
index f6bca6e94..0d47b6291 100644
--- a/lttng/commands/enable_events.c
+++ b/lttng/commands/enable_events.c
@@ -53,6 +53,7 @@ enum {
 	OPT_PROBE,
 	OPT_FUNCTION,
 	OPT_FUNCTION_ENTRY,
+	OPT_SYSCALLS,
 };
 
 static struct lttng_handle *handle;
@@ -72,6 +73,7 @@ static struct poptOption long_options[] = {
 	{"probe",         0,   POPT_ARG_STRING, 0, OPT_PROBE, 0, 0},
 	{"function",       0,   POPT_ARG_STRING, 0, OPT_FUNCTION, 0, 0},
 	{"function:entry", 0,   POPT_ARG_STRING, 0, OPT_FUNCTION_ENTRY, 0, 0},
+	{"syscalls",     0,     POPT_ARG_NONE, 0, OPT_SYSCALLS, 0, 0},
 	{0, 0, 0, 0, 0, 0, 0}
 };
 
@@ -103,6 +105,7 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "                           decimal (NNN...) or hexadecimal (0xNNN...)\n");
 	fprintf(ofp, "    --function:entry symbol\n");
 	fprintf(ofp, "                           Function tracer event\n");
+	fprintf(ofp, "    --syscalls             System calls\n");
 	fprintf(ofp, "    --marker               User-space marker (deprecated)\n");
 	fprintf(ofp, "\n");
 }
@@ -210,15 +213,33 @@ static int enable_events(char *session_name)
 	}
 
 	if (opt_enable_all) {
-		if (opt_kernel) {
-			ret = lttng_enable_event(handle, NULL, channel_name);
-			if (ret == 0) {
-				MSG("All kernel events are enabled in channel %s", channel_name);
+		switch (opt_event_type) {
+		case LTTNG_EVENT_TRACEPOINT:
+			if (opt_kernel) {
+				ret = lttng_enable_event(handle, NULL, channel_name);
+				if (ret == 0) {
+					MSG("All kernel events are enabled in channel %s", channel_name);
+				}
+				goto error;
+			}
+			/* TODO: User-space tracer */
+			break;
+		case LTTNG_EVENT_SYSCALLS:
+			if (opt_kernel) {
+				ev.name[0] = '\0';
+				ev.type = opt_event_type;
+
+				ret = lttng_enable_event(handle, &ev, channel_name);
+				if (ret == 0) {
+					MSG("All kernel system calls are enabled in channel %s", channel_name);
+				}
+				goto error;
 			}
+			break;
+		default:
+			MSG("Enable all not supported for this instrumentation type.");
 			goto error;
 		}
-
-		/* TODO: User-space tracer */
 	}
 
 	/* Strip event list */
@@ -258,6 +279,10 @@ static int enable_events(char *session_name)
 					LTTNG_SYMBOL_NAME_LEN);
 				ev.attr.ftrace.symbol_name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
 				break;
+			case LTTNG_EVENT_SYSCALLS:
+				MSG("per-syscall selection not supported yet. Use \"-a\" for all syscalls.");
+				ret = CMD_NOT_IMPLEMENTED;
+				goto error;
 			default:
 				ret = CMD_NOT_IMPLEMENTED;
 				goto error;
@@ -339,6 +364,9 @@ int cmd_enable_events(int argc, const char **argv)
 			opt_event_type = LTTNG_EVENT_FUNCTION_ENTRY;
 			opt_function_entry_symbol = poptGetOptArg(pc);
 			break;
+		case OPT_SYSCALLS:
+			opt_event_type = LTTNG_EVENT_SYSCALLS;
+			break;
 		default:
 			usage(stderr);
 			ret = CMD_UNDEFINED;